内质网应激在晚期糖基化终产物诱导心肌细胞损伤中的作用

被引:2
作者
沈明志
徐勇
李榕彬
欧书林
王昌
穆洋
机构
[1] 解放军总医院海南分院心内科
关键词
晚期糖基化终产物; 内质网应激; 心肌细胞; 损伤;
D O I
10.13241/j.cnki.pmb.2013.15.019
中图分类号
R587.2 [糖尿病性昏迷及其他并发症]; R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的:研究晚期糖基化终产物(AGEs)对原代培养SD乳鼠心肌细胞的损伤,探讨内质网应激在AGEs诱导心肌细胞损伤中的作用。方法:原代培养SD大鼠乳鼠心肌细胞,随机分为对照组、AGEs组。MTT法检测心肌细胞存活率,Western blot法检测内质网应激蛋白GRP 78和CHOP蛋白表达水平。结果:与对照组相比,AGEs具有损伤心肌细胞的作用,并呈现剂量和时间依赖性;AGEs可以诱导内质网应激相关蛋白GRP 78和CHOP的高表达,并呈现剂量依赖性增加。结论:AGEs可以导致心肌细胞损伤,GRP 78和CHOP蛋白表达水平升高,提示内质网应激通路可能参与了AGEs诱导的心肌细胞损伤。
引用
收藏
页码:2862 / 2864
页数:3
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